76.3% is the change from 173 to 305
Calculation steps:
[( 305 - 173 ) ÷ 173] x 100 = 76.3%
Formula
Percentage change = [(305 - 173) / 173] x 100
Subtract the new number by the original number
305 - 173 = 132
132 ÷ 173 = 0.7630057803468208
0.7630057803468208 x 100 = 76.3%